sqlite3_release_memory 3725 ext/pdo_sqlite/sqlite/src/test1.c   amt = sqlite3_release_memory(N);
sqlite3_release_memory  551 ext/pdo_sqlite/sqlite/src/util.c     while( pTsd->nAlloc+n>pTsd->nSoftHeapLimit && sqlite3_release_memory(n) ){}
sqlite3_release_memory  590 ext/pdo_sqlite/sqlite/src/util.c     while( (p = OSMALLOC(n))==0 && sqlite3_release_memory(n) ){}
sqlite3_release_memory  619 ext/pdo_sqlite/sqlite/src/util.c       while( (np = OSREALLOC(p, n))==0 && sqlite3_release_memory(n) ){}