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=head1 NAME
rbuf_equal_* - equivalance checks for rbufs
=head1 SYNOPSIS
#include <roy.h>
unsigned int rbuf_equal_rbuf (const RBuf *buf1, const RBuf *buf2);
unsigned int rbuf_equal_rbufcase (const RBuf *buf1, const RBuf *buf2);
unsigned int rbuf_equal_strcase (const RBuf *buf, const char *str);
unsigned int rbuf_equal_str (const RBuf *buf, const char *str);
unsigned int rbuf_equal_data (const RBuf *buf, const char *str, const unsigned int len);
unsigned int rbuf_equal_rbuf_len (const RBuf *buf1, const RBuf *buf2, unsigned int len);
unsigned int rbuf_equal_str_len (const RBuf *buf, const char *str, unsigned int len);
=head1 DESCRIPTION
These calls do not return a distance from equal like strcmp(3), but
only check to see if the two arguements are equivalant.
Calls to rbuf_equal_rbuf(3), rbuf_equal_data(3) and rbuf_equal_str(3)
check to see if the two arguments are byte for byte equal.
Calls to rbuf_equal_rbufcase(3) and rbuf_equal_strcase(3) convert each
byte of the two arguments to uppercase and then checks if they are equal.
rbuf_equal_rbuf_len(3) compares at most the first I<len> bytes of each
RBuf.
rbuf_equal_str_len(3) compares at most the first I<len> bytes of
the I<buf> with I<str>.
=head1 RETURN VALUE
Each of these call returns TRUE if the two arguments are effectivly equal.
If the two arguments are not equivalant these calls return FALSE.
=head1 ERRORS
These calls never fail.
=head1 FUNCTION
The rbuf equivalance calls are implemented using functions.
=head1 SEE ALSO
L<rbuf(3)|rbuf(3)>, L<rbuf_append(3)|rbuf_append(3)>,
L<rbuf_append_char(3)|rbuf_append_char(3)>, L<rbuf_append_data(3)|rbuf_append_data(3)>,
L<rbuf_append_rbuf(3)|rbuf_append_rbuf(3)>, L<rbuf_append_sprintf(3)|rbuf_append_sprintf(3)>,
L<rbuf_append_str(3)|rbuf_append_str(3)>, L<rbuf_append_vsprintf(3)|rbuf_append_vsprintf(3)>,
L<rbuf_auto(3)|rbuf_auto(3)>, L<rbuf_down(3)|rbuf_down(3)>,
L<rbuf_empty(3)|rbuf_empty(3)>, L<rbuf_equal_data(3)|rbuf_equal_data(3)>,
L<rbuf_equal_rbuf(3)|rbuf_equal_rbuf(3)>, L<rbuf_equal_rbuf_len(3)|rbuf_equal_rbuf_len(3)>,
L<rbuf_equal_rbufcase(3)|rbuf_equal_rbufcase(3)>, L<rbuf_equal_str(3)|rbuf_equal_str(3)>,
L<rbuf_equal_str_len(3)|rbuf_equal_str_len(3)>, L<rbuf_equal_strcase(3)|rbuf_equal_strcase(3)>,
L<rbuf_erase(3)|rbuf_erase(3)>, L<rbuf_float(3)|rbuf_float(3)>,
L<rbuf_free(3)|rbuf_free(3)>, L<rbuf_hash(3)|rbuf_hash(3)>,
L<rbuf_insert(3)|rbuf_insert(3)>, L<rbuf_last(3)|rbuf_last(3)>,
L<rbuf_len(3)|rbuf_len(3)>, L<rbuf_long(3)|rbuf_long(3)>,
L<rbuf_new(3)|rbuf_new(3)>, L<rbuf_new_with_sprintf(3)|rbuf_new_with_sprintf(3)>,
L<rbuf_own(3)|rbuf_own(3)>, L<rbuf_prepend(3)|rbuf_prepend(3)>,
L<rbuf_prepend_char(3)|rbuf_prepend_char(3)>, L<rbuf_prepend_data(3)|rbuf_prepend_data(3)>,
L<rbuf_prepend_rbuf(3)|rbuf_prepend_rbuf(3)>, L<rbuf_prepend_str(3)|rbuf_prepend_str(3)>,
L<rbuf_rdonly(3)|rbuf_rdonly(3)>, L<rbuf_set_to(3)|rbuf_set_to(3)>,
L<rbuf_split(3)|rbuf_split(3)>, L<rbuf_sprintf(3)|rbuf_sprintf(3)>,
L<rbuf_str(3)|rbuf_str(3)>, L<rbuf_truncate(3)|rbuf_truncate(3)>,
L<rbuf_up(3)|rbuf_up(3)>, L<roy(3)|roy(3)>
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