Compute the length of a character array.

This function is compatible with the following targets:

ANSI

BeOS

EMB/RTOS

Mac OS

Palm OS

Win32

#include <string.h>

size_t strlen(const char *s);

Parameters for this facility are:

s1

const char *

The string to evaluate

The strlen() function computes the number of characters in a null terminated character array pointed to by s. The null character ('\0') is not added to the character count.

strlen() returns the number of characters in a character array not including the terminating null character.

#include <string.h>
#include <stdio.h>

int main(void)
{
	static char s[] = "antidisestablishmentarianism";

	printf("The length of %s is %ld.\n", s, strlen(s));

	return 0;
}
Output:
The length of antidisestablishmentarianism is 28.





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Last updated: August 16, 2000