calloc already initializes ints to 0.
4WBT5RARAHQE2NTOJEWQIY4MGO74Y7LU56VTALJCLQEDY4QZHHKQC
PMRSYJRYQAXZ3OEDD7ANMXTECMT2DNJEC3XQABRNA63SAOUZWA3AC
7B74AT3BXYB7PVW4F6SGQNPMHOU5TEV5TZ54CG6VSQI46XSEKWXQC
c->isfloating = 0;