Tedd OKANO / Mbed 2 deprecated RPN_calc__based_on_K_and_R

just a sample of what can be done

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Show/hide line numbers getch.cpp Source File

getch.cpp

00001 #include    "mbed.h"
00002 #include    "calc.h"
00003 #include    <ctype.h>
00004 
00005 #define     BUFSIZE 100
00006 
00007 char    buf[ BUFSIZE ];
00008 int     bufp    = 0;
00009 
00010 int getch( void )
00011 {
00012 #if 1
00013     int c;
00014     c   = (bufp > 0) ? buf[ --bufp ] : getchar();
00015     if ( isprint( c ) && c != ' ' )
00016         printf( "[%c]\r\n", c );
00017     return c;
00018 #else
00019     return (bufp > 0) ? buf[ --bufp ] : getchar();
00020 #endif
00021 }
00022 
00023 
00024 void ungetch( int c )
00025 {
00026     if ( bufp >= BUFSIZE )
00027         printf( "ungetch: too many characters\n" );
00028     else
00029         buf[ bufp++ ]   = c;
00030 }
00031
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