Answer Posted / vipandeep

#include<stdio.h>
main()
{
int i,j,k,x,n=-2;
i=71;
while (i>=65)
{

for(j=65;j<=i;j++)
{
printf("%c ",j);
}

if(i!=71)
{
for(x=1;x<=n;x++)
{
printf(" ");
}
}

for(k=i;k>=65;k--)
{
if (k==71)
continue;
printf("%c ",k);
}
i--;
n=n+4;
printf("\n");
}
getch();
}

write a C program: To search a file any word which starts with ?a?. If the word following this ?a? starts with a vowel.Then replace this ?a? with ?a? with ?an?. redirect with the output onto an output file.The source file and destination file are specified by the user int the command line.

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