Question

C programming

Write a pointer version of strlen_(const char* s) WITH assertions write a pointer version of strien (const char s) in your main routine, show that your version gives the same value as the C stdlib version (strlen(const char* s)), using assertions. Your program must compile, run, and pass all assertions in order to get credit.

Answer 1

$\color{blue}\underline{Code.c:}$

#include <stdio.h>
#include <assert.h>

int strlen_(const char* str)
{
int i = 0;
while (str[i] != '\0') {
i++;
}
return i;
}

int main()
{
assert(11 == strlen_("Hello world"));
assert(0 == strlen_(""));
assert(1 == strlen_("a"));
assert(5 == strlen_("Hello"));
return 0;
}

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