m_sprintf 48 ext/mysqlnd/mysqlnd_alloc.h int (*m_sprintf)(char **pbuf, size_t max_len, const char *format, ...); m_sprintf 87 ext/mysqlnd/mysqlnd_alloc.h #define mnd_sprintf(p, mx_len, fmt,...) mysqlnd_allocator.m_sprintf((p), (mx_len), (fmt), __VA_ARGS__)