1 /* 2 * Written by J.T. Conklin <jtc@netbsd.org>. 3 * Public domain. 4 */ 5 6 #include <sys/cdefs.h> 7 #if defined(LIBC_SCCS) && !defined(lint) 8 __RCSID("$NetBSD: l64a.c,v 1.5 1997/07/13 20:16:44 christos Exp $"); 9 #endif 10 11 #include <stdlib.h> 12 13 char * 14 l64a (value) 15 long value; 16 { 17 static char buf[8]; 18 char *s = buf; 19 int digit; 20 int i; 21 22 if (!value) 23 return NULL; 24 25 for (i = 0; value != 0 && i < 6; i++) { 26 digit = value & 0x3f; 27 28 if (digit < 2) 29 *s = digit + '.'; 30 else if (digit < 12) 31 *s = digit + '0' - 2; 32 else if (digit < 38) 33 *s = digit + 'A' - 12; 34 else 35 *s = digit + 'a' - 38; 36 37 value >>= 6; 38 s++; 39 } 40 41 *s = '\0'; 42 43 return buf; 44 } 45