.TH critbit0_insert 3
.SH NAME
critbit0_insert \- insert a string into a critbit tree
.SH SYNTAX
.B #include <critbit.h>

critbit0_tree cb = { 0 };

int \fBcritbit0_insert\fP(critbit0_tree* \fIcb\fR,const char* \fIstr\fR);
.SH DESCRIPTION
critbit0_insert attempts to insert a string into a critbit0 tree.
If \fIstr\fR is already in \fIcb\fR, critbit0_insert returns 1.
If \fIstr\fR is not in \fIcb\fR, it is inserted and critbit0_insert
returns 2.
If there is a memory allocation failure on the way, critbit0_insert
leaves \fIcb\fR alone and returns 0.
.SH "RETURN VALUE"
2 if the key was inserted, 1 if it was already in cb, 0 on memory
allocation failure.
.SH "SEE ALSO"
critbit0_contains(3)