I did a swap problem and got stuck at the end
#include <stdio.h>
void swap(char*, char*);
void order_chars(char [], int);
int main()
{
char g[3], a, z;
a = 'A';
z = 'Z';
printf("Enter three characters: \n");
scanf("%s", &g);
order_chars(g, 3);
if(g[0] < a || g[3] > z) {
printf("Please enter in capital characters\n");
} else {
printf("%s\n", g);
}
}
void order_chars(char a[], int n)
{
int i, j;
for(i=0; i<n-1; ++i)
for(j=n; i<j; --j)
if
(a[i-1] > a[i])
swap(&a[i-1], &a[i]);
}
void swap(char *a, char*b)
{
char temp;
temp = *a;
*a = *b;
*b = temp;
}
[EMAIL PROTECTED] ~]$ vi swap.cpp
[EMAIL PROTECTED] ~]$ gcc swap.cpp
/tmp/ccW9b9oi.o(.eh_frame+0x11): undefined reference to
`__gxx_personality_v0'
collect2: ld returned 1 exit status
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