/* gtln.c
 *
 * Puts to stdout the nth line of the file argument.
 * Useful from within shell scripts for reading files and
 * assigning its lines to internal string variables.
 *
 * Usage: gtln n filename
 */

#include <stdio.h>
#include A HREF="stdfun.h.html"> <stdfun.h> 

#define MAXLINE 514


static char _sccsid[] = { " %M% %I% %H% " };

main( argc, argv )
int argc;
char *argv[];
{
        FILE *fptr, *fopen();
        long linenum;
        long n;
        char line[MAXLINE];
        int i;

        if( ( fptr = fopen( argv[2], "r" ) ) == NULL )    {
                fprintf( stderr, "gtln3: can't read %s\n", argv[2] );
                exit( 1 );
        }

        sscanf( argv[1], "%ld", &n );

        linenum = 0L;
        while( fgets( line, MAXLINE, fptr ) != NULL )    {
                if( ++linenum == n )    {
                        printf( "%s", line );
                        exit( 0 );
                }
                for( i = 0; i < MAXLINE; i++ )
                        line[i] = '\0';
        }

	return( 0 );

	exit( 0 );

} /* end gtln.c */