ftdm_channel_sig_read_t  473 src/include/private/ftdm_core.h 	ftdm_channel_sig_read_t sig_read;
ftdm_channel_sig_read_t  375 src/include/private/ftdm_types.h typedef ftdm_status_t (*ftdm_channel_sig_read_t)(ftdm_channel_t *ftdmchan, void *data, ftdm_size_t size);