libc { GLIBC_2.0 { # c* cfgetispeed; cfgetospeed; cfmakeraw; cfsetispeed; cfsetospeed; cfsetspeed; # i* isatty; # t* tcdrain; tcflow; tcflush; tcgetattr; tcgetpgrp; tcsendbreak; tcsetattr; tcsetpgrp; } GLIBC_2.1 { # t* tcgetsid; } GLIBC_2.42 { # cf*baud cfgetibaud; cfgetobaud; cfsetibaud; cfsetobaud; cfsetbaud; } }