Answer / ravi jaiswal

#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
char x[25];
int i=0;
printf("Enter a string");
gets(x);
while(x[i]!='\0')
{
printf("%x\t",x[i]);
i++;
}
getch();
}

which function is used to clear the buffer stream on gcc? for example: I wrote following code on gcc #include<stdio.h> int main(void) { char ch; int a,b; printf("\nenter two numbers:\t"); scanf("%d%d",&a,&b); printf("enter number is %d and %d",a,b); printf("\nentercharacter:\t"); scanf("%c",&ch); printf("enter character is %c",ch); return 0; } in above progarm ch could not be scan. why?plz tell me solution.

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