pcntl_exec        165 ext/pcntl/pcntl.c 	PHP_FE(pcntl_exec,			arginfo_pcntl_exec)
pcntl_exec        853 ext/pcntl/pcntl.c PHP_FUNCTION(pcntl_exec)
pcntl_exec         64 ext/pcntl/php_pcntl.h PHP_FUNCTION(pcntl_exec);