#include #include long ch; long word; long line; main(void) { FILE *ifp, *ofp; char buffer[BUFSIZ]; int file, j, i; ifp = fopen("input.txt", "r"); ofp = fopen("output.txt", "w"); if((file = open("input.txt", O_RDONLY)) 0 ) { ch += j; for(i=0 ; i < j ; i++) { if( buffer[i]==' ' || buffer[i]=='\n') { word++; if(buff..