scanf
always stops at the first whitespace character.
To read the whole name including spaces, use
fgets
:@
#include <stdio.h>
int main()
{
char username[5][25];
int i;
for(i=0;i<5;i++)
{
printf("Enter your full name : ");
fgets(username[i], 25, stdin);
printf(" \n Your full name is %s : ",username[i]);
}
}