tags: C language Development language
int main()
{
File *fp; // Copy files
File *fp1; // copy file
char ch1;
fp = fopen("work.txt", "r");
fp1 = fopen("work1.txt", "a+");
if(fp == NULL)
{
printf("error\n");
return 0;
}
if(fp1 == NULL)
{
printf("error\n");
return 0;
}
ch1 = fgetc(fp);
while(ch1 != EOF)
{
fputc(ch1,fp1);
ch1 = fgetc(fp);
}
fclose(fp);
return 0;
}
Write a program to implement the function of the address book: code show as below: ...
First, the function size_t read(int fd, void *buf, size_t count); Function: Read the count byte data from the file fd and store it in the buf Parameters: count: the number of bytes expected to ...
-Complete source code ...
Use the input/output stream to write a program to realize the function of file copying. The form and operation function of the command line parameters of the program are similar to the copy function i...
Function prototype int open(const char *path, int flags,...,/* mode_t mode */); returns the file identifier if successful; error returns -1; ssize_t read(int fd,void *buf,size_t nbytes); successfully ...
Reprinted at: https://blog.51cto.com/ljy789/1707253...
usage Open the "User" subtab in the following way You can see 3 triggers on the left: "Before Compile C / C ++ File": Trigger before compiling C / C ++ source files "Before Bu...