#include <stdio.h>

void squeeze(char s[], int c);

int main() {
    char s[] = "ccabc";
    squeeze(s, 'c');
    printf("%s\n", s);
}

void squeeze(char s[], int c) {
    int i, j = 0;

    while(s[i] != '\0') {
        if (s[i] == c) {
            s[i] = '\0';
        }
        ++i;
    }
}