Strlen funkcija

//• strlen() : string length – vraća dužinu stringa

int strlen(char *s){
int i;
for(i=0; s[i] != ‘\0’; i++);
return i;
}


int strlen(char *s) {
int i;
for(i=0; *s != ‘\0’; i++,s++);
return i;
}


int strlen(char *s) {
char *s2 = s;
while(*s2 != ‘\0’) s2++;
return s2-s;
}

int strlen(char *s){
char *s2 = s;
while(*s2++);
return s2-s-1;
}