C strlen implementation
#include <stdio.h>
size_t custom_strlen(const char *str);
int main() {
const char *text = "Hello, World!";
size_t length = custom_strlen(text);
printf("Length of the string: %zu\n", length);
return 0;
}
size_t custom_strlen(const char *str) {
size_t length = 0;
while (*str != '\0') {
length++;
str++;
}
return length;
}