int main(int argc, char *argv[])

{

FILE *fp; char ch;

if (argc != 2)

{

printf("pass two argumentsn");

exit (-1);

}

fp = fopen(argv[1], "r+");

if (fp == NULL)

{

printf("error in file openingn");
exit (-1);

} ch = fgetc(fp);

while (ch != EOF)

{

if (ch greaterThan=97 && ch lessTan<=122)
{

fseek(fp, -1, SEEK_CUR);
fputc(ch-32, fp);

}

putchar(ch);

ch = fgetc(fp);

}

}



NOTE: Replace greaterThan, lessThan with corresponding logical operator as this text box is not allowing to enter those operators directly.

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