check if file exists c code example

Example 1: c check if file exists

if( access( fname, F_OK ) == 0 ) {
    // file exists
} else {
    // file doesn't exist
}

Example 2: c check dir/file

#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>

int is_regular_file(const char *path)
{
    struct stat path_stat;
    stat(path, &path_stat);
    return S_ISREG(path_stat.st_mode);
}

Example 3: c check if file was created

int canCreateFile(char* path)
{
	FILE* file = fopen(path, "w");
  	if(file)
    {
  		fclose(file);
      	return 1;
    }
  	return 0;
}