Remove the unicodes

unicode-remover.c

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

int main(int argc, char** argv) {
  char buffer[4096];
  FILE* inf = fopen(argv[1], "r");
  FILE* outf = fopen(argv[2], "w");

  while(fgets(buffer ,4096, inf)) {
    char* c = buffer;
    while(*c != '\n' && (unsigned char)*c >= 0x20
          && (unsigned char)*c <= 0x7F) {
      c++;
    }
    if(*c == '\n')
      fputs(buffer,outf);
  }
  fclose(inf);
  fclose(outf);
}