PTHREAD_COND_DESTROY (man3p)
pthread_cond_destroy, pthread_cond_init — destroy and initialize condition variables
pthread_cond_destroy, pthread_cond_init — destroy and initialize condition variables
isspace, isspace_l — test for a white-space character
tgamma, tgammaf, tgammal — compute gamma() function
gets — get a string from a stdin stream
setnetent — network database function
cacosh, cacoshf, cacoshl — complex arc hyperbolic cosine functions
tcgetattr — get the parameters associated with the terminal
pthread_condattr_getpshared, pthread_condattr_setpshared — get and set the process-shared condition variable attributes
pthread_condattr_destroy, pthread_condattr_init — destroy and initialize the condition variable attributes object
ulimit — get and set process limits