8051单片机程序设计.介绍基本的单片机基础知识,非常实用

								#line 1 ".\function.c" /0				  				#line 1 "C:\KEIL\C51\INC\STDIO.H" /0																												 				 				 				 				 				 				 				 				 				 				 				 				 typedef unsigned int size_t;				 				 				 #pragma SAVE				 #pragma REGPARMS				 extern char _getkey (void);				 extern char getchar (void);				 extern char ungetchar (char);				 extern char putchar (char);				 extern int printf   (const char *, ...);				 extern int sprintf  (char *, const char *, ...);				 extern int vprintf  (const char *, char *);				 extern int vsprintf (char *, const char *, char *);				 extern char *gets (char *, int n);				 extern int scanf (const char *, ...);				 extern int sscanf (char *, const char *, ...);				 extern int puts (const char *);				 				 #pragma RESTORE				#line 1 ".\function.c" /0				 				  				#line 1 "def.h" /0				 extern int getline (char line[ ], int max);				 extern int strindex(char source[ ], char searchfor[ ]);				 				 				#line 2 ".\function.c" /0				 				 				 				 int getline(char s[ ], int lim)				 {				 int c, i;				 i = 0;				 while ( -- lim > 0&& ( c = getchar() ) != -1&&c!='\n')				 s[i++] = c;				 if (c == '\n' )				 s[i++] = c;				 s[i] = '\0';				 return i;				 }				 				 int strindex(char s[], char t[] )				 {				 int i, j, k;				 for ( i = 0; s[i] != '\0'; i++ ) {				 for ( j =i, k = 0; t[k] != '\0' && s[j] ==t[k]; j++, k++ );				 if ( k > 0 && t[k] == '\0' )				 return i;				 }				 return -1;				 }