??? #include <stdio.h>?

??? static FILE *out = NULL;?
??? static int tabs = 0;?

??? void set_out_fp(FILE *fp)?
??? {?
??????? out = fp;?
??? }?

??? void put(char *str)?
??? {?
??????? fprintf(out, "%s", str);?
??? }?

??? void put_head(char *head)?
??? {?
??????? put("<?");?
??????? put(head);?
??????? put("?>/n");?
??? }?

??? void out_tabs()?
??? {?
??????? int i;?
??????? for(i=0; i < tabs; i++)?
??????? {?
??????????? put("/t");?
??????? }?
??? }?

??? void tag_start(char *tag)?
??? {?
??????? out_tabs();?
??????? put("<");?
??????? put(tag);?
??????? put(">/n");?
??????? tabs = tabs + 1;?
??? }?

??? void tag_end(char *tag)?
??? {?
??????? tabs = tabs - 1;?
??????? out_tabs();?
??????? put("</");?
??????? put(tag);?
??????? put(">/n");?
??? }?

??? void tag_value(char *tag, char *value)?
??? {?
??????? out_tabs();?
??????? put("<");?
??????? put(tag);?
??????? put("/t");?
??????? put("/"value/"=/"");?
??????? put(value);?
??????? put("/"");?
??????? put("/t/>/n");?
??? }?

??? void tag_value_num(char *tag, long value)?
??? {?
??????? out_tabs();?
??????? put("<");?
??????? put(tag);?
??????? put("/t");?
??????? put("/"value/"=");?
??????? fprintf(out, "%d", value);?
??????? put("/t/>/n");?
??? }?

??? int main()?
??? {????
??????? FILE *fp = fdopen(1, "a");?
??????? set_out_fp(fp);?

??????? put_head("xml version='1.0' encoding=/"GBK/"");?
??????? tag_start("投遞信息");?
??????? tag_start("硬件");?

??????? tag_value_num("網(wǎng)卡", 1);?

??????? tag_end("硬件");?
??????? tag_end("投遞信息");?

??????? fclose(fp);?

??????? return 0;?
??? }?