typedef struct {
    ngx_str_t   key;
    ngx_str_t   value;
} ngx_keyval_t;

實(shí)例

#include <stdio.h>
#include <ngx_config.h>
#include <ngx_conf_file.h>
#include <nginx.h>
#include <ngx_core.h>
#include <ngx_string.h>
#include <ngx_palloc.h>

volatile ngx_cycle_t *ngx_cycle;

void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,
    const char *fmt, ...)
{
}

int
main(int argc, char *argv[])
{
    //ngx_str_t t1, t2;
    ngx_str_t t1 = ngx_string("bei jing");
    ngx_str_t t2 = ngx_string("shang hai");

    ngx_keyval_t kv = {t1, t2};

    printf("<key>\n");
    printf("key.len = %lu\n", kv.key.len);
    printf("key.data = %s\n\n", kv.key.data);

    printf("<value>:\n");
    printf("value.len = %lu\n", kv.value.len);
    printf("value.data = %s\n", kv.value.data);

    return 0;
}

執(zhí)行：

gcc -c -O -pipe -O -W -Wall -Wpointer-arith -Wno-unused-parameter -Wunused-function -Wunused-variable -Wunused-value -Werror -g 
    -I ../../objs/ 
    -I ../os/unix/ 
    -I../core/ 
    -I /usr/local/opt/pcre/include/ 
    -I../event/ 
    -I../os/ 
    ./j_str.c -o ./j_str.o

gcc -o ./j_str ./j_str.o 
    ../../objs/src/core/ngx_string.o       
    ../../objs/src/os/unix/ngx_alloc.o 
    ../../objs/src/core/ngx_palloc.o

結(jié)果：

<key>
key.len = 8
key.data = bei jing

<value>:
value.len = 9
value.data = shang ha