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Annotation of 43BSDTahoe/usr.bin/learn/tee.c, revision 1.1.1.1

1.1       root        1: #ifndef lint
                      2: static char sccsid[] = "@(#)tee.c      4.2     (Berkeley)      4/25/83";
                      3: #endif not lint
                      4: 
                      5: #include <stdio.h>
                      6: main()
                      7: {
                      8:        int f, c;
                      9: 
                     10:        f = creat(".ocopy", 0666);
                     11:        while (read(0, &c, 1) == 1) {
                     12:                write (1, &c, 1);
                     13:                put(c, f);
                     14:        }
                     15:        fl(f);
                     16:        close(f);
                     17: }
                     18: 
                     19: static char ln[BUFSIZ];
                     20: char *p = ln;
                     21: put(c, f)
                     22: {
                     23:        *p++ = c;
                     24:        if (c == '\n') {
                     25:                fl(f);
                     26:                p=ln;
                     27:        }
                     28: }
                     29: fl(f)
                     30: {
                     31:        register char *s;
                     32: 
                     33:        s = ln;
                     34:        while (*s == '$' && *(s+1) == ' ')
                     35:                s += 2;
                     36:        write(f, s, p-s);
                     37: }

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