vspprintf_function  679 Zend/zend.c    	zend_vspprintf = utility_functions->vspprintf_function;
vspprintf_function  557 Zend/zend.h    	int (*vspprintf_function)(char **pbuf, size_t max_len, const char *format, va_list ap);
vspprintf_function 2146 main/main.c    	zuf.vspprintf_function = vspprintf;