📄 str2cc.c
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/************************************************************* * File: lib/str2cc.c * Purpose: Part of C runtime library * Author: Phil Bunce (pjb@carmel.com) * Revision History: * 970304 Start of revision history */#include "string.h"/** str2cc(p) convert the string p into a control char */str2cc(p)char *p;{int len;if (!p) return(0);len = strlen(p);if (len < 1 || len > 2) return(0);if (len == 1) return(p[0]);if (p[1] < 'A' || p[1] > '~') return(0);if (p[0] != '^') return(0);return(p[1]&0x1f);}
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