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Annotation of 43BSDReno/contrib/jove/teachjove.c, revision 1.1

1.1     ! root        1: /***************************************************************************
        !             2:  * This program is Copyright (C) 1986, 1987, 1988 by Jonathan Payne.  JOVE *
        !             3:  * is provided to you without charge, and with no warranty.  You may give  *
        !             4:  * away copies of JOVE, including sources, provided that this notice is    *
        !             5:  * included in all the files.                                              *
        !             6:  ***************************************************************************/
        !             7: 
        !             8: #include <stdio.h>
        !             9: #include <sys/types.h>
        !            10: #include <sys/file.h>
        !            11: 
        !            12: #ifndef TEACHJOVE
        !            13: #    define TEACHJOVE  "/usr/lib/jove/teach-jove"
        !            14: #endif
        !            15: 
        !            16: #ifndef W_OK
        !            17: #   define W_OK        2
        !            18: #   define F_OK        0
        !            19: #endif
        !            20: 
        !            21: extern char    *getenv();
        !            22: 
        !            23: int
        !            24: main()
        !            25: {
        !            26:        char    cmd[256],
        !            27:                fname[256],
        !            28:                *home;
        !            29: 
        !            30:        if ((home = getenv("HOME")) == 0) {
        !            31:                printf("teachjove: cannot find your home!\n");
        !            32:                exit(-1);
        !            33:        }
        !            34:        (void) sprintf(fname, "%s/teach-jove", home);
        !            35:        if (access(fname, F_OK) != 0) {
        !            36:                (void) sprintf(cmd, "cp %s %s; chmod 644 %s", TEACHJOVE, fname, fname);
        !            37:                system(cmd);
        !            38:        }
        !            39:        (void) execlp("jove", "teachjove", fname, (char *) 0);
        !            40:        printf("teachjove: cannot execl jove!\n");
        !            41:        return 1;
        !            42: }
        !            43: 

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