Reverse a String In-Place

#include <stdio.h>

int myStrLen(const char *str) {
    const char *p = str;
    while (*p) {
        p++;
    }
    return p - str;
}

void reverse_string(char *str) {
    // Your logic here
    if (!str || !*str) return;

    char *left = str;
    char *right = str + myStrLen(str) - 1;
    while (left < right) {
        char temp = *left;
            *left = *right;
            *right = temp;
        left++;
        right--;
    }
}



int main() {
    char str[101];
    fgets(str, sizeof(str), stdin);

    // Remove newline
    int i = 0;
    while (str[i] != '\0') {
        if (str[i] == '\n') {
            str[i] = '\0';
            break;
        }
        i++;
    }

    reverse_string(str);
    printf("%s", str);
    return 0;
}