STRLEN
NAME SYNOPSIS DESCRIPTION RETURN VALUE CONFORMING TO SEE ALSO
strlen - calculate the length of a string
#include s);
The strlen() function calculates the length of the string s, not including the terminating `0' character.
The strlen() function returns the number of characters in s.
SVID 3, POSIX, BSD 4.3, ISO 9899
4 pages link to strlen(3):