93. Reverse a String In-Place

#include <stdio.h>

int custom_strlen(const char *str) {
    // Your logic here
    char c ='a';
    int count =0;
    while ( *str != '\0'){
        count++;
        str++;
    }
    return count;
}

void reverse_string(char *str) {
    // Your logic here
    int i=0;
    int j= custom_strlen(str) - 1;
    
    //swap 

    char temp = 0;
    while ( i < j){
        
        temp = str[i];
        str[i] = str[j];
        str[j] = temp;
        i++; j--; 
    }
}

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;
}