1 #ifndef lint 2 static char sccsid[] = "@(#)rdwr.c 5.1 (Berkeley) 06/05/85"; 3 #endif not lint 4 5 #include <stdio.h> 6 7 fread(ptr, size, count, iop) 8 unsigned size, count; 9 register char *ptr; 10 register FILE *iop; 11 { 12 register c; 13 unsigned ndone, s; 14 15 ndone = 0; 16 if (size) 17 for (; ndone<count; ndone++) { 18 s = size; 19 do { 20 if ((c = getc(iop)) >= 0) 21 *ptr++ = c; 22 else 23 return(ndone); 24 } while (--s); 25 } 26 return(ndone); 27 } 28 29 fwrite(ptr, size, count, iop) 30 unsigned size, count; 31 register char *ptr; 32 register FILE *iop; 33 { 34 register unsigned s; 35 unsigned ndone; 36 37 ndone = 0; 38 if (size) 39 for (; ndone<count; ndone++) { 40 s = size; 41 do { 42 putc(*ptr++, iop); 43 } while (--s); 44 if (ferror(iop)) 45 break; 46 } 47 return(ndone); 48 } 49