摘要:
1、 #include <stdio.h> #include <time.h> char data_file[] = "datatime.dat"; void get_data(void) { FILE *fp; if((fp = fopen(data_file, "r")) == NULL) pr 阅读全文
摘要:
1、 #include <stdio.h> int main(void) { FILE *fp; double a[10] = {1.1,2.1,3.1,4.1,5.1,6.1,7.1,8.1,9.1,0.1}; int i; for(i = 0; i < 10; i++) { printf("a[ 阅读全文
摘要:
1、 #include <stdio.h> int main(void) { FILE *fp; // 定义指向FILE型的指针变量 double pi = 3.14159265358979323846; printf("Pi from value: %23.21f.\n", pi); // 直接输 阅读全文
摘要:
1、 #include <stdio.h> int main(void) { FILE *fp; // 声明指向FILE型的指针变量 double pi = 3.14159265358979323846; //声明 double型变量 printf("pi from value: %23.21f.\ 阅读全文
摘要:
1、 #include <stdio.h> #include <ctype.h> int main(void) { int ch; FILE *sfp; FILE *dfp; char sfile[FILENAME_MAX]; char dfile[FILENAME_MAX]; printf("sf 阅读全文
摘要:
1、 #include <stdio.h> #include <ctype.h> int main(void) { int ch; FILE *sfp; FILE *dfp; char sfile[FILENAME_MAX]; char dfile[FILENAME_MAX]; printf("sf 阅读全文
摘要:
1、 #include <stdio.h> int main(void) { int ch; FILE *sfp; FILE *dfp; char sfile[FILENAME_MAX]; char dfile[FILENAME_MAX]; printf("sfile name: "); scanf 阅读全文
摘要:
1、 #include <stdio.h> int main(void) { FILE *fp; int ch; char filename[FILENAME_MAX]; printf("filename: "); scanf("%s", filename); if((fp = fopen(file 阅读全文