| STRLEN(3) | Linux Programmer's Manual | STRLEN(3) |
strlen - calculate the length of a string
#include <string.h> size_t strlen(const char *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
| April 12, 1993 |