strlen 50
strtol 50
sprintf 50
gettimeofday 50
rand 50
abort 50
free 50
select 50
fflush 50
exit 50
perror 50
bcopy 50
bzero 50 
htonl 50
htons 50
memset 50
pthread_mutex_lock 50
pthread_cond_destroy 50
pthread_self 50
pthread_cond_init 50
pthread_cond_wait 50
pthread_mutex_unlock 50
pthread_mutex_destroy 50
pthread_cond_timedwait 50
pthread_equal 50
pthread_mutex_init 50
socket 50
unlink 50
fopen 50 
pthread_cond_signal 50
pthread_create 50
strncmp 50
printf 50
scanf 50
fprintf 50
malloc 50
unknown_FP 50
open 50
write 50
read 50