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int bp; /* next available char; init = 0 */
S_CHAR buf[BUFSIZE]; /* pushed-back chars */
S_CHAR fcname[MAXNAME]; /* text of current function name */
int fordep; /* current depth of for statements */
S_CHAR forstk[MAXFORSTK]; /* stack of reinit strings */
int swtop; /* current switch entry; init=0 */
int swlast; /* next available position; init=1 */
int swstak[MAXSWITCH]; /* switch information stack */
int xfer; /* YES if just made transfer, NO otherwise */
int label; /* next label returned by labgen */
int level ; /* level of file inclusion; init = 1 */
int linect[NFILES]; /* line count on input file[level]; init = 1 */
FILE *infile[NFILES]; /* file number[level]; init infile[1] = STDIN */
int fnamp; /* next free slot in fnames; init = 2 */
S_CHAR fnames[MAXFNAMES]; /* stack of include names; init fnames[1] = EOS */
int avail; /* first first location in table; init = 1 */
int tabptr[127]; /* name pointers; init = 0 */
int outp; /* last position filled in outbuf; init = 0 */
S_CHAR outbuf[82]; /* output lines collected here */
S_CHAR fname[MAXNAME][NFILES]; /* file names */
int nfiles; /* number of files */
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