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1.1 ! root 1: #ifndef lint ! 2: static char sccsid[] = "@(#)main.c 4.1 (Berkeley) 2/11/83"; ! 3: #endif not lint ! 4: ! 5: #include <signal.h> ! 6: #include <stdio.h> ! 7: #include "1.defs.h" ! 8: #include "def.h" ! 9: ! 10: ! 11: char (*input)(), (*unput)(); ! 12: FILE *outfd = stdout; ! 13: ! 14: ! 15: ! 16: main(argc,argv) ! 17: int argc; ! 18: char *argv[]; ! 19: { ! 20: int anyoutput; ! 21: int dexit(); ! 22: char *getargs(); ! 23: char input1(), unput1(), input2(), unput2(); ! 24: anyoutput = FALSE; ! 25: getargs(argc,argv); ! 26: if (debug == 2) debfd = stderr; ! 27: else if (debug) ! 28: debfd = fopen("debug1","w"); ! 29: ! 30: if (signal(SIGINT, SIG_IGN) !=SIG_IGN) ! 31: signal(SIGINT,dexit); ! 32: prog_init(); ! 33: ! 34: for (;;) ! 35: { ! 36: ++routnum; ! 37: routerr = 0; ! 38: ! 39: input = input1; ! 40: unput = unput1; ! 41: if (!mkgraph()) break; ! 42: if (debug) prgraph(); ! 43: if (routerr) continue; ! 44: ! 45: if (progress)fprintf(stderr,"build:\n"); ! 46: build(); ! 47: if (debug) prtree(); ! 48: if (routerr) continue; ! 49: ! 50: if (progress)fprintf(stderr,"structure:\n"); ! 51: structure(); ! 52: if (debug) prtree(); ! 53: if (routerr) continue; ! 54: input = input2; ! 55: unput = unput2; ! 56: ! 57: if (progress)fprintf(stderr,"output:\n"); ! 58: output(); ! 59: if (routerr) continue; ! 60: anyoutput = TRUE; ! 61: freegraf(); ! 62: } ! 63: if (anyoutput) ! 64: exit(0); ! 65: else ! 66: exit(1); ! 67: } ! 68: ! 69: ! 70: dexit() ! 71: { ! 72: exit(1); ! 73: }
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