tol(3) - phpMan

_tolower (3p)        - transliterate uppercase characters to lowercase
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
AutoLoader (3pm)     - load subroutines only on demand
AutoSplit (3pm)      - split a package for autoloading
htole16 (3)          - convert values between host and big-/little-endian byt...
htole32 (3)          - convert values between host and big-/little-endian byt...
htole64 (3)          - convert values between host and big-/little-endian byt...
Mail::SpamAssassin::Plugin::AutoLearn... (3pm) - threshold-based discriminato...
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
tolower (3)          - convert uppercase or lowercase
tolower (3p)         - transliterate uppercase characters to lowercase
tolower_l (3)        - convert uppercase or lowercase
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