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Annotation of 40BSD/libc/stdio/freopen.c, revision 1.1.1.1

1.1       root        1: #include <stdio.h>
                      2: 
                      3: FILE *
                      4: freopen(file, mode, iop)
                      5: char *file;
                      6: register char *mode;
                      7: register FILE *iop;
                      8: {
                      9:        register f;
                     10: 
                     11:        fclose(iop);
                     12:        if (*mode=='w')
                     13:                f = creat(file, 0666);
                     14:        else if (*mode=='a') {
                     15:                if ((f = open(file, 1)) < 0)
                     16:                        f = creat(file, 0666);
                     17:                lseek(f, 0L, 2);
                     18:        } else
                     19:                f = open(file, 0);
                     20:        if (f < 0)
                     21:                return(NULL);
                     22:        iop->_file = f;
                     23:        if (*mode != 'r')
                     24:                iop->_flag |= _IOWRT;
                     25:        else
                     26:                iop->_flag |= _IOREAD;
                     27:        return(iop);
                     28: }

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