42 lines
746 B
C
42 lines
746 B
C
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#include "stdio.h"
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#include "f2c.h"
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#define PAUSESIG 15
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static waitpause()
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{
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return;
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}
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VOID s_paus(s, n)
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char *s;
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long int n;
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{
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int i;
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fprintf(stderr, "PAUSE ");
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if(n > 0)
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for(i = 0; i<n ; ++i)
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putc(*s++, stderr);
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fprintf(stderr, " statement executed\n");
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if( isatty(fileno(stdin)) )
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{
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fprintf(stderr, "To resume execution, type go. Any other input will terminate job.\n");
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fflush(stderr);
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if( getchar()!='g' || getchar()!='o' || getchar()!='\n' )
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{
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fprintf(stderr, "STOP\n");
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f_exit();
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exit(0);
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}
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}
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else
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{
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fprintf(stderr, "To resume execution, execute a kill -%d %d command\n",
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PAUSESIG, getpid() );
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signal(PAUSESIG, waitpause);
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fflush(stderr);
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pause();
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}
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fprintf(stderr, "Execution resumes after PAUSE.\n");
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}
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