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#ifndef _NGX_CHANNEL_H_INCLUDED_
#define _NGX_CHANNEL_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>
typedef struct {
ngx_uint_t command;
ngx_pid_t pid;
ngx_int_t slot;
ngx_fd_t fd;
} ngx_channel_t;
ngx_int_t ngx_write_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size,
ngx_log_t *log);
ngx_int_t ngx_read_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size,
ngx_log_t *log);
ngx_int_t ngx_add_channel_event(ngx_cycle_t *cycle, ngx_fd_t fd,
ngx_int_t event, ngx_event_handler_pt handler);
#endif /* _NGX_CHANNEL_H_INCLUDED_ */
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