bbexit - return tree for _epilogue(&afunc)' */

bbfunc - emit function name and src coordinates */

bbincr - build tree to increment execution point at *cp */

bbvars - emit definition for basic block counting data */

div[id] - return 1 if min <= x/y <= max, 0 otherwise */

fatal - issue fatal error message and exit */

interrupt - catch interrupt signals */

position of srcfp, if srcfp is non-NULL */

printdag - print dag p on fd, or the node list if p == 0 */

printfile - print annotated listing for p */

printfuncs - summarize data for functions in p */

printtree - print tree p on fd */

printtype - print details of type ty on fd */

floating point exception receiver */

stabblock - output a stab entry for '{' or '}' at level lev */

stabend - finalize stab output */

stabend - finalize a function */

stabinit - initialize stab output */

stabline - emit stab entry for source coordinate *cp */

stabline - emit source code for source coordinate *cp */

stabtype - output a stab entry for type *p */

sub[id] - return 1 if min <= x-y <= max, 0 otherwise */

subtree - construct tree for l - r */

tracecall - generate code to trace entry to f */

tracereturn - generate code to trace return e */

typestab - emit stab entries for p */

typestab - emit stab entries for p */