How to delete a file without using remove system call in a C program?

Question

I\'ve been curious how rem in Linux works and trying to write my own C code that can delete a file but when I searched for the answer, I only got t

Answer 1

#include
#include
#include
#include 
#include 


int main(){
        int status;
        pid_t pid = fork();
        if(-1 == pid){
                printf("fork() failed");
                exit(EXIT_FAILURE);
        }else if(pid == 0){
                execl("/bin/sh", "sh", "-c", "rm /tmp/san.txt", (char *) NULL);
        }else{
                printf("[%d]fork with id %d\n",pid);
                waitpid(pid,&status,0);
        }
return 0;
}