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[英]extern struct array error: array type has incomplete element type
[英]Error with struct option: array type has incomplete element type
我嘗試構建一個解析cmd行的函數。 但是,當我定義long_options
數組時,我得到了編譯錯誤:
error: array type has incomplete element type
error: field name not in record or union initializer
error: (near initialization for 'long_options')
// and so on for every defined line in the 'long_options'
代碼:
//parse_cmd.c
void parse_cmd(int argc, char *argv[]) {
while (1) {
int input_char;
static struct option long_options[] = {
{.name = "dev-name", .has_arg = 1, .val = 'd'},
{.name = "tcp-port", .has_arg = 1, .val = 't'},
{.name = "ib-port", .has_arg = 1, .val = 'i'},
{.name = "seed", .has_arg = 1, .val = 's'},
{.name = "iters", .has_arg = 1, .val = 'I'},
{.name = "mask", .has_arg = 1, .val = 'm'},
{.name = NULL, .has_arg = 0, .val = '\0'}
};
}
}
你能幫我解釋為什么我會收到這些錯誤嗎?
確保你這樣做:
#include <getopt.h>
在C文件的開頭,引入getopt()
函數原型及其相關的聲明,包括struct option
。
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