Question

Using C,

Write a function reverse which takes a string as an argument, reverses the string and returns the reversed string. Note; you should not return a string that you created inside the reverse function! For example: Test char str[]-"hello" printf("%s", reverse (str)); Result olleh

Answer 1

code in bold is the function you neea ."


#include <stdio.h>

char *reverse(char *string) {
    int i, len = 0;
    char temp;
    while (string[len]) {
        len++;
    }
    for (i = 0; i < len/2; ++i) {
        temp = string[i];
        string[i] = string[len-i-1];
        string[len-i-1] = temp;
    }
    return string;
}

int main() {
    char str[] = "hello";
    printf("%s", reverse(str));
    return 0;
}

olleh Process finished with exit code 0