chaitanyav

/*
 * Author: NagaChaitanya Vellanki
 *
 * tee - read from standard input and write to standard output and files
 *
 */

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>

chaitanyav

/*
 * Author: Nagachaitanya Vellanki
 *
 * yes - output a string repeatedly until killed
 */

#include <stdio.h>
#include <stdint.h>
#include <stdarg.h>
#include <stdlib.h>

chaitanyav

/*
 * Author: NagaChaitanya Vellanki
 *
 * whoami - print effective user id
 */

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdarg.h>

chaitanyav

/*
 *
 * Author: NagaChaitanya Vellanki
 *
 *
 *  printenv command implementation
 *
 */

#include<stdio.h>

chaitanyav

/*
 *
 * Author: NagaChaitanya Vellanki
 *
 *
 * display environment variables
 *
 */
#include<stdio.h>
#include<stdlib.h>

chaitanyav

/*
 *
 * Author: NagaChaitanya Vellanki
 *
 *
 *  get or set or unset environment variables
 *  clean environment
 *  gcc -o get_set_env -Wall --pedantic get_set_env.c -D_SVID_SOURCE
 */

chaitanyav

/*
 * Author: NagaChaitanya Vellanki
 *
 * TRY/THROW/CATCH example
 * Reference: http://www.di.unipi.it/~nids/docs/longjump_try_trow_catch.html
 * use gcc -E -P exception_handling_1.c to the output of the preprocessor
 */

#include <stdio.h>
#include <stdlib.h>

chaitanyav

/*
 * Author: NagaChaitanya Vellanki
 *
 * TRY/THROW/CATCH - example
 * Reference: http://www.di.unipi.it/~nids/docs/longjump_try_trow_catch.html
 *
 * use gcc -E -P exception_handling_2.c to the output of the preprocessor
 */

#include <stdio.h>

chaitanyav

/*
 * Author: NagaChaitanya Vellanki
 *
 * TRY/THROW/CATCH/FINALLY - example
 * Reference: http://www.di.unipi.it/~nids/docs/longjump_try_trow_catch.html
 *
 * use gcc -E -P exception_handling_3.c to see the result of the preprocessing
 * step
 */

chaitanyav

/*
 *
 * Author: NagaChaitanya Vellanki
 *
 *
 * See Listing 7-1, chapter 4 of LPI book
 *
 *  sample output:
 *
 *   ./free_and_sbrk 1000 10240 1 1 1000