checksum 86 src/ftdm_callerid.c state->checksum = state->buf[state->bpos] = (uint8_t)(256 - check); checksum 104 src/ftdm_callerid.c if (state->checksum != 0 || state->ppos >= state->dlen - 1) { checksum 112 src/ftdm_callerid.c state->checksum = sum % 256; checksum 116 src/ftdm_callerid.c state->checksum = -1; checksum 308 src/include/private/ftdm_core.h int checksum;