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

int unlink (const char *filename)

The unlink function deletes the file name filename. The function unlink is declared in the header file unistd.h. This function returns 0 on successful completion, and -1 on error