strlen - calculate the length of a string

#include <string.h>

size_t strlen(const char *s);

This function calculates the length of s.

The strlen() function calculates the length of the string pointed to by s, excluding the terminating null byte ('\0').

This function returns the number of characters in s, excluding the terminating NUL byte (i.e., '\0').

The strlen() function returns the number of characters in the string pointed to by s.

```c #include #include

int main(void) { string s = get_string(“Input: “); printf(“Output: “); for (int i = 0, n = strlen(s); i < n; i++) { printf(“%c”, s[i]); } printf(“\n”); }

string(3), strnlen(3), wcslen(3), wcsnlen(3)