Solution to Midterm Exam

• 3. Write a program that read standard input character by character, and print out the characters to the standard output, replacing spaces ' ' by underscores '\_'. You can use while loop, getchar(), and putchar() functions.

#include <stdio.h>

main()

{

int c;

while( (c=getchar()) != EOF) {

if(c == ' ')

putchar('_');

else

putchar(c);

}

}

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