STRING(4) - phpMan

IDNA::Punycode (3pm) - encodes Unicode string in Punycode
a64l (3p)            - convert between a 32-bit integer and a radix-64 ASCII ...
argz_stringify (3)   - functions to handle an argz list
asctime (3p)         - convert date and time to a string
asctime_r (3p)       - convert date and time to a string
asprintf (3)         - print to allocated string
atof (3)             - convert a string to a double
atof (3p)            - convert a string to a double-precision number
atoi (3)             - convert a string to an integer
atoi (3p)            - convert a string to an integer
atol (3)             - convert a string to an integer
atol (3p)            - convert a string to a long integer
atoll (3)            - convert a string to an integer
atoll (3p)           - convert a string to a long integer
atoq (3)             - convert a string to an integer
Bit::Vector::String (3pm) - Generic string import/export for Bit::Vector
bstring (3)          - byte string operations
confstr (3)          - get configuration dependent string variables
crypt (3p)           - string encoding function (CRYPT)
ctime (3p)           - convert a time value to a date and time string
ctime_r (3p)         - convert a time value to a date and time string
Data::Dumper (3pm)   - stringified perl data structures, suitable for both pr...
Date::Parse (3pm)    - Parse date strings into time values
derdump (1)          - Dumps C-sequence strings from a DER encoded certificat...
ecvt (3)             - convert a floating-point number to a string
ecvt (3p)            - convert a floating-point number to a string (LEGACY)
ecvt_r (3)           - convert a floating-point number to a string
Email::Date::Format (3pm) - produce RFC 2822 date strings
envsubst (1)         - substitutes environment variables in shell format strings
envz (3)             - environment string support
envz_add (3)         - environment string support
envz_entry (3)       - environment string support
envz_get (3)         - environment string support
envz_merge (3)       - environment string support
envz_remove (3)      - environment string support
envz_strip (3)       - environment string support
fcvt (3)             - convert a floating-point number to a string
fcvt (3p)            - convert a floating-point number to a string (LEGACY)
fcvt_r (3)           - convert a floating-point number to a string
fgetc (3)            - input of characters and strings
fgets (3)            - input of characters and strings
fgets (3p)           - get a string from a stream
fgetws (3)           - read a wide-character string from a FILE stream
fgetws (3p)          - get a wide-character string from a stream
fputc (3)            - output of characters and strings
fputs (3)            - output of characters and strings
fputs (3p)           - put a string on a stream
fputws (3)           - write a wide-character string to a FILE stream
fputws (3p)          - put a wide-character string on a stream
gcvt (3)             - convert a floating-point number to a string
gcvt (3p)            - convert a floating-point number to a string (LEGACY)
getc (3)             - input of characters and strings
getchar (3)          - input of characters and strings
getdate (3)          - convert a date-plus-time string to broken-down time
getdate_err (3)      - convert a date-plus-time string to broken-down time
getdate_r (3)        - convert a date-plus-time string to broken-down time
getdelim (3)         - delimited string input
getline (3)          - delimited string input
gets (3)             - input of characters and strings
gets (3p)            - get a string from a stdin stream
getsubopt (3)        - parse suboption arguments from a string
getsubopt (3p)       - parse suboption arguments from a string
HTML::Entities (3pm) - Encode or decode strings with HTML entities
index (3)            - locate character in string
index (3p)           - character string operations (LEGACY)
l64a (3p)            - convert between a 32-bit integer and a radix-64 ASCII ...
look (1)             - display lines beginning with a given string
Mail::SPF::MacroString (3pm) - SPF record macro string class
mbsnrtowcs (3)       - convert a multibyte string to a wide-character string
mbsrtowcs (3)        - convert a multibyte string to a wide-character string
mbsrtowcs (3p)       - convert a character string to a wide-character string ...
mbstowcs (3)         - convert a multibyte string to a wide-character string
mbstowcs (3p)        - convert a character string to a wide-character string
memmem (3)           - locate a substring
MIME::Base64 (3pm)   - Encoding and decoding of base64 strings
MIME::QuotedPrint (3pm) - Encoding and decoding of quoted-printable strings
numfmt (1)           - Convert numbers from/to human-readable strings
PerlIO::via::QuotedPrint (3pm) - PerlIO layer for quoted-printable strings
putc (3)             - output of characters and strings
putchar (3)          - output of characters and strings
puts (3)             - output of characters and strings
puts (3p)            - put a string on standard output
qecvt (3)            - convert a floating-point number to a string
qecvt_r (3)          - convert a floating-point number to a string
qfcvt (3)            - convert a floating-point number to a string
qfcvt_r (3)          - convert a floating-point number to a string
qgcvt (3)            - convert a floating-point number to a string
replace (1)          - a string-replacement utility
rindex (3)           - locate character in string
rindex (3p)          - character string operations (LEGACY)
stpcpy (3)           - copy a string returning a pointer to its end
stpncpy (3)          - copy a fixed-size string, returning a pointer to its end
strcasecmp (3)       - compare two strings ignoring case
strcasecmp (3p)      - case-insensitive string comparisons
strcasestr (3)       - locate a substring
strcat (3)           - concatenate two strings
strcat (3p)          - concatenate two strings
strchr (3)           - locate character in string
strchr (3p)          - string scanning operation
strchrnul (3)        - locate character in string
strcmp (3)           - compare two strings
strcmp (3p)          - compare two strings
strcoll (3)          - compare two strings using the current locale
strcoll (3p)         - string comparison using collating information
strcpy (3)           - copy a string
strcpy (3p)          - copy a string
strcspn (3)          - search a string for a set of bytes
strcspn (3p)         - get the length of a complementary substring
strdup (3)           - duplicate a string
strdup (3p)          - duplicate a string
strdupa (3)          - duplicate a string
strerror (3)         - return string describing error number
strerror (3p)        - get error message string
strerror_r (3)       - return string describing error number
strerror_r (3p)      - get error message string
strfmon (3)          - convert monetary value to a string
strfmon (3p)         - convert monetary value to a string
strfry (3)           - randomize a string
strftime (3p)        - convert date and time to a string
string (3)           - string operations
string.h (0p)        - string operations
strings (1)          - print the strings of printable characters in files.
strings (1p)         - find printable strings in files
strings.h (0p)       - string operations
strlen (3)           - calculate the length of a string
strlen (3p)          - get string length
strncasecmp (3)      - compare two strings ignoring case
strncasecmp (3p)     - case-insensitive string comparisons
strncat (3)          - concatenate two strings
strncat (3p)         - concatenate a string with part of another
strncmp (3)          - compare two strings
strncmp (3p)         - compare part of two strings
strncpy (3)          - copy a string
strncpy (3p)         - copy part of a string
strndup (3)          - duplicate a string
strndupa (3)         - duplicate a string
strnlen (3)          - determine the length of a fixed-size string
strpbrk (3)          - search a string for any of a set of bytes
strpbrk (3p)         - scan a string for a byte
strptime (3)         - convert a string representation of time to a time tm s...
strrchr (3)          - locate character in string
strrchr (3p)         - string scanning operation
strsep (3)           - extract token from string
strsignal (3)        - return string describing signal
strspn (3)           - search a string for a set of bytes
strspn (3p)          - get length of a substring
strstr (3)           - locate a substring
strstr (3p)          - find a substring
strtod (3)           - convert ASCII string to floating-point number
strtod (3p)          - convert a string to a double-precision number
strtof (3)           - convert ASCII string to floating-point number
strtof (3p)          - convert a string to a double-precision number
strtoimax (3)        - convert string to integer
strtoimax (3p)       - convert string to integer type
strtok (3)           - extract tokens from strings
strtok (3p)          - split string into tokens
strtok_r (3)         - extract tokens from strings
strtok_r (3p)        - split string into tokens
strtol (3)           - convert a string to a long integer
strtol (3p)          - convert a string to a long integer
strtold (3)          - convert ASCII string to floating-point number
strtold (3p)         - convert a string to a double-precision number
strtoll (3)          - convert a string to a long integer
strtoll (3p)         - convert a string to a long integer
strtoq (3)           - convert a string to a long integer
strtoul (3)          - convert a string to an unsigned long integer
strtoul (3p)         - convert a string to an unsigned long
strtoull (3)         - convert a string to an unsigned long integer
strtoull (3p)        - convert a string to an unsigned long
strtoumax (3)        - convert string to integer
strtoumax (3p)       - convert string to integer type
strtouq (3)          - convert a string to an unsigned long integer
strverscmp (3)       - compare two version strings
strxfrm (3)          - string transformation
strxfrm (3p)         - string transformation
systemd-escape (1)   - Escape strings for usage in system unit names
Text::Balanced (3pm) - Extract delimited text sequences from strings.
ungetc (3)           - input of characters and strings
URI::_punycode (3pm) - encodes Unicode string in Punycode
URI::Split (3pm)     - Parse and compose URI strings
vasprintf (3)        - print to allocated string
wcpcpy (3)           - copy a wide-character string, returning a pointer to i...
wcpncpy (3)          - copy a fixed-size string of wide characters, returning...
wcscasecmp (3)       - compare two wide-character strings, ignoring case
wcscat (3)           - concatenate two wide-character strings
wcscat (3p)          - concatenate two wide-character strings
wcschr (3)           - search a wide character in a wide-character string
wcschr (3p)          - wide-character string scanning operation
wcscmp (3)           - compare two wide-character strings
wcscmp (3p)          - compare two wide-character strings
wcscoll (3p)         - wide-character string comparison using collating infor...
wcscpy (3)           - copy a wide-character string
wcscpy (3p)          - copy a wide-character string
wcscspn (3)          - search a wide-character string for any of a set of wid...
wcscspn (3p)         - get the length of a complementary wide substring
wcsdup (3)           - duplicate a wide-character string
wcsftime (3p)        - convert date and time to a wide-character string
wcslen (3)           - determine the length of a wide-character string
wcslen (3p)          - get wide-character string length
wcsncasecmp (3)      - compare two fixed-size wide-character strings, ignorin...
wcsncat (3)          - concatenate two wide-character strings
wcsncat (3p)         - concatenate a wide-character string with part of another
wcsncmp (3)          - compare two fixed-size wide-character strings
wcsncmp (3p)         - compare part of two wide-character strings
wcsncpy (3)          - copy a fixed-size string of wide characters
wcsncpy (3p)         - copy part of a wide-character string
wcsnlen (3)          - determine the length of a fixed-size wide-character st...
wcsnrtombs (3)       - convert a wide-character string to a multibyte string
wcspbrk (3)          - search a wide-character string for any of a set of wid...
wcspbrk (3p)         - scan a wide-character string for a wide-character code
wcsrchr (3)          - search a wide character in a wide-character string
wcsrchr (3p)         - wide-character string scanning operation
wcsrtombs (3)        - convert a wide-character string to a multibyte string
wcsrtombs (3p)       - convert a wide-character string to a character string ...
wcsspn (3)           - advance in a wide-character string, skipping any of a ...
wcsspn (3p)          - get the length of a wide substring
wcsstr (3)           - locate a substring in a wide-character string
wcsstr (3p)          - find a wide-character substring
wcstod (3p)          - convert a wide-character string to a double-precision ...
wcstof (3p)          - convert a wide-character string to a double-precision ...
wcstoimax (3)        - convert wide-character string to integer
wcstoimax (3p)       - convert a wide-character string to an integer type
wcstok (3)           - split wide-character string into tokens
wcstok (3p)          - split a wide-character string into tokens
wcstol (3p)          - convert a wide-character string to a long integer
wcstold (3p)         - convert a wide-character string to a double-precision ...
wcstoll (3p)         - convert a wide-character string to a long integer
wcstombs (3)         - convert a wide-character string to a multibyte string
wcstombs (3p)        - convert a wide-character string to a character string
wcstoul (3p)         - convert a wide-character string to an unsigned long
wcstoull (3p)        - convert a wide-character string to an unsigned long
wcstoumax (3)        - convert wide-character string to integer
wcstoumax (3p)       - convert a wide-character string to an integer type
wcswcs (3p)          - find a wide substring (LEGACY)
wcswidth (3)         - determine columns needed for a fixed-size wide-charact...
wcswidth (3p)        - number of column positions of a wide-character string
wcsxfrm (3p)         - wide-character string transformation
xdr_string (3)       - library routines for external data representation
xdr_wrapstring (3)   - library routines for external data representation
xgettext (1)         - extract gettext strings from source
yes (1)              - output a string repeatedly until killed