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- /*
- HEADER: CUG nnn.nn;
- TITLE: LEX - A Lexical Analyser Generator
- VERSION: 1.0 for IBM-PC
- DATE: Jan 30, 1985
- DESCRIPTION: A Lexical Analyser Generator. From UNIX
- KEYWORDS: Lexical Analyser Generator YACC C PREP
- SYSTEM: IBM-PC and Compatiables
- FILENAME: INTEG.C
- WARNINGS: This program is not for the casual user. It will
- be useful primarily to expert developers.
- CRC: N/A
- SEE-ALSO: YACC and PREP
- AUTHORS: Scott Guthery 11100 leafwood lane Austin, TX 78750
- COMPILERS: DESMET-C
- REFERENCES: UNIX Systems Manuals
- */
- #include "lex.h"
- /*
- * integ -- ascii to long (various bases)
- */
- long
- integ(char *cp, register int base)
- {
- register c;
- long n;
-
- n = 0;
- while (c = *cp++) {
- if (c>='A' && c<='Z')
- c += 'a'-'A';
- if (c>='a' && c<='z')
- c = (c-'a')+10+'0';
- if (c < '0' || c > base+'0')
- break;
- n = n*base + c-'0';
- }
- return(n);
- }
-