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Annotation of researchv9/libc/stdio/rdwr.c, revision 1.1.1.1

1.1       root        1: /* @(#)rdwr.c  4.1 (Berkeley) 12/21/80 */
                      2: #include       <stdio.h>
                      3: 
                      4: fread(ptr, size, count, iop)
                      5: unsigned size, count;
                      6: register char *ptr;
                      7: register FILE *iop;
                      8: {
                      9:        register c;
                     10:        unsigned ndone, s;
                     11: 
                     12:        ndone = 0;
                     13:        if (size)
                     14:        for (; ndone<count; ndone++) {
                     15:                s = size;
                     16:                do {
                     17:                        if ((c = getc(iop)) >= 0)
                     18:                                *ptr++ = c;
                     19:                        else
                     20:                                return(ndone);
                     21:                } while (--s);
                     22:        }
                     23:        return(ndone);
                     24: }
                     25: 
                     26: fwrite(ptr, size, count, iop)
                     27: unsigned size, count;
                     28: register char *ptr;
                     29: register FILE *iop;
                     30: {
                     31:        register unsigned s;
                     32:        unsigned ndone;
                     33: 
                     34:        ndone = 0;
                     35:        if (size)
                     36:        for (; ndone<count; ndone++) {
                     37:                s = size;
                     38:                do {
                     39:                        putc(*ptr++, iop);
                     40:                } while (--s);
                     41:                if (ferror(iop))
                     42:                        break;
                     43:        }
                     44:        return(ndone);
                     45: }

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