C - strlen()

C strlen() function - Get length of fixed size string

The strlen() function is used to get the length of a string excluding the ending null character.

Syntax:

size_t strlen(const char *str)

Parameters:

Return value from strlen()

• The strlen() function returns the length of str.
• No return value shall be reserved to indicate an error.

Example: strlen() function

#include<stdio.h>
#include<string.h>
int main()
{
    char name[20]="w3resource.com";
    int length;
    length = strlen(name);
    printf("Length of %s = %d\n",name,length);
    return 0;
}

Output:

Length of w3resource.com = 14

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