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893天前#include <stdio.h> |
#include <ctype.h> |
int main( void ) |
{ |
int i=0; |
char ch; |
puts("Input an integer followed by a char:"); |
/* read chars until non digit or EOF */ |
while((ch = getchar()) != EOF && isdigit(ch)) |
i = 10 * i + ch - 48; /* convert ASCII into int value */ |
/* if non digit char was read, push it back into input buffer */ |
if (ch != EOF) |
ungetc(ch, stdin); |
printf("i = %d, next char in buffer = %c\n", i, getchar()); |
return 0; |
} |
