errno 22 invalid argument

Errno. H --  Query Checking the error code errno is an important way to debug the program. When the linuc c api function is abnormal, The errno variable (including Errno. h) assign an integer. Different values indicate different meanings. You can

The errno definition in Linux. In the header file # include 124 emediumtype wrong medium type 123 enomedium no medium found 122 edquot Disk Quota exceeded 121 eremoteio remote I/O Error 120 eisnam is a named type file 119 enavail no XENIX

Note for fopen and note for fopen Organized from https://msdn.microsoft.com/zh-cn/library/t3ayayh1 (VS.80). aspxErrno, _ doserrno, _ sys_errlist, and _ sys_nerr   These global variables include the error code used by the perror and strerror

124 emediumtype wrong medium type 123 enomedium no medium found 122 edquot Disk Quota exceeded 121 eremoteio remote I/O Error 120 eisnam is a named type file 119 enavail no XENIX semaphores available 118 enotnam not a xenix named type file 117

You can use the perror command in shell to display the perror function in the corresponding program API. I = 1; while [$ I-Le 152]; DO perror $ I; let I = I + 1; done; My kernel is defined as 152 only, as shown in the following table: OS error

fopen (Open file)Correlation function Open,fclose Table header file #include Defines the function FILE * fopen (const char * path,const char * mode); The function description parameter path string contains the file path and filename to open, and

What kind of network protocol does 1.nginx use? Nginx is the application layer I think from the bottom up, the transport layer uses the TCP/IP application layer for HTTP FastCGI is responsible for the scheduling process 2. ? echo ' Hello

Linux and other UNIX-like systems always come with a large number of tools that execute a wide range of functions from obvious to incredible. The success of a UNIX-like programming environment is largely attributed to the high quality and selection

In order to conveniently view the error code and its meaning in Linux, a program is written to print the information.   Listerrno. c # Include # include # include # define MAX_ERRNO 256 int main (int argc, char * argv []) { int n = 0;

Program a creates child processes and invokes process B, depending on the different cases that are not called, and the results are displayed differently.#include #include#include#include#includeintMain () {pid_t pid, rpid; intStat; if(PID = fork ())