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Annotation of 42BSD/usr.lib/libF77/s_paus.c, revision 1.1

1.1     ! root        1: /*
        !             2:  *     "@(#)s_paus.c   1.1"
        !             3:  */
        !             4: 
        !             5: #include <stdio.h>
        !             6: #define PAUSESIG 15
        !             7: 
        !             8: 
        !             9: s_paus(s, n)
        !            10: char *s;
        !            11: long int n;
        !            12: {
        !            13: int i;
        !            14: int waitpause();
        !            15: 
        !            16: fprintf(stderr, "PAUSE: ");
        !            17: if(n > 0)
        !            18:        {
        !            19:        for(i = 0; i<n ; ++i)
        !            20:                putc(*s++, stderr);
        !            21:        putc('\n', stderr);
        !            22:        }
        !            23: if( isatty(fileno(stdin)) )
        !            24:        {
        !            25:        fprintf(stderr, "To resume execution, type:   go\nAny other input will terminate the program.\n");
        !            26:        if( getchar()!='g' || getchar()!='o' || getchar()!='\n' )
        !            27:                {
        !            28:                fprintf(stderr, "STOP\n");
        !            29:                f_exit();
        !            30:                _cleanup();
        !            31:                exit(0);
        !            32:                }
        !            33:        }
        !            34: else
        !            35:        {
        !            36:        fprintf(stderr, "To resume execution, type:    kill -%d %d\n",
        !            37:                PAUSESIG, getpid() );
        !            38:        signal(PAUSESIG, waitpause);
        !            39:        pause();
        !            40:        }
        !            41: fprintf(stderr, "Execution resumed after PAUSE.\n");
        !            42: }
        !            43: 
        !            44: 
        !            45: 
        !            46: 
        !            47: 
        !            48: static waitpause()
        !            49: {
        !            50: return;
        !            51: }

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