remember to not use static buffers if the size may change.
we can use strings.h library as well
When the program ends, all the dynamic memory used must have
been freed, and all file descriptors must be closed.
• The use of global variables is not allowed, except for the ones
necessary for the control of the signals and forks.
• All inputs and outputs must be done using file descriptors. The use of
printf, scanf, FILE*, getchar or similar is NOT allowed.
• You must compile using the –Wall and –Wextra flags.
• Any deliverable containing warnings or errors will be directly
discarded.
• At the start of the .c you must include a comment with your logins,
names, and surnames.
• For submitting the session, you must hand over a file “S2.c”, and
deliver it through the eStudy platform.
• You must control that the number of arguments is correct.
• The use of the functions “system”, “popen”, or from the same family
is NOT allowed.
• You must ensure that, when the execution ends, all the processes
have ended properly.
• You must control if the fork() function works. In case of failure, an
error message must appear.
• The order of the messages may be different from the ones in the
example.
• You must control Ctrl+C.
• In case of not killing the forks properly, the use of the following
instruction is strongly advised: pkill -u <login>.
do not add any comments in the code, just the code itself.
c
