xSetSystemCall   1405 ext/sqlite3/libsqlite/sqlite3.c   int (*xSetSystemCall)(sqlite3_vfs*, const char *zName, sqlite3_syscall_ptr);
xSetSystemCall   1198 ext/sqlite3/libsqlite/sqlite3.h   int (*xSetSystemCall)(sqlite3_vfs*, const char *zName, sqlite3_syscall_ptr);