buffer_get_token_pred(3)buffer_get_token_pred(3)NAMEbuffer_get_token_pred - read token from buffer
SYNTAX
#include <buffer.h>
ssize_t buffer_get_token_pred(buffer* b,char* x,size_t len,
int (*predicate)(const char* s,size_t len));
DESCRIPTIONbuffer_get_token_pred copies data from b to x[0], x[1], ..., x[len-1]
until len bytes have been read or predicate called on the destination
string returns nonzero.
predicate can also return 0 (indicating further input is required to
complete the token) or -1 (abort and return -1; use this if predicate
wants to enfore a maximum message size or does timeout handling or
detects a malformed message).
buffer_get_token_pred returns the number of bytes copied or -1 on error
(setting errno appropriately).
SEE ALSObuffer_init(3), buffer_feed(3), buffer_peek(3), buffer_seek(3), buf‐
fer(3)buffer_get_token_pred(3)