5 HKEY hKey;//句柄const char *key = "System\\CurrentControlSet\\Control\\Session Manager\\Environment"; //注册表路径RegOpenKeyEx(HKEY_LOCAL_MACHINE, key, 0, KEY_READ | KEY_WRITE, &hKey //打开注册表RegSetValueEx(hKey, UGEnv, NULL, REG_SZ, (const unsigned char *)path, strlen(path)); ...
1.环境变量访问(Environment Variable Access): #include <stdlib.h> int main() { char *env_value = getenv("MY_VARIABLE"); if (env_value != NULL) { printf("Value of MY_VARIABLE: %s\n", env_value); } else { printf("MY_VARIABLE not set.\n"); } return 0; } 通过getenv()函数...
1/***2* environ_init3* Read environment variables that affect the runtime.4* Also print environment variable help, if requested.5***/6voidenviron_init(void)7{8if(issetugid()) {9//All environment variables are silently ignored when setuid or setgid10//This includes OBJC_HELP and OBJC_...
usingSystem.Windows.Forms;usingSystem.IO;namespacefso_cs{publicpartialclassForm1:Form{stringwinDir = System.Environment.GetEnvironmentVariable("windir");publicForm1(){ InitializeComponent(); }privatevoidbutton1_Click(objectsender, System.EventArgs e){//How to read a text file.//try...catch is to...
Except for thecwdandstatusvariables, the action of being set by the shell occurs only at initialization. All of the above variables maintain their settings unless you explicitly reset them. Thecshcommand copies theUSER,TERM,HOME, andPATHenvironment variables into thecshvariables,user,term,home, and...
usingSystem.Windows.Forms;usingSystem.IO;namespacefso_cs{publicpartialclassForm1:Form{stringwinDir = System.Environment.GetEnvironmentVariable("windir");publicForm1(){ InitializeComponent(); }privatevoidbutton1_Click(objectsender, System.EventArgs e){//How to read a text fil...
Before invoking the program, export the environment variable _BPX_PTRACE_ATTACH with a value of YES. After you do this, then executables will be loaded into read/write storage regardless of their reusability attribute. If you compile an MVS™ data set source using the -g option, you can ...
The user class path is defined by setting the CLASSPATH environment variable or by using the -classpath command line option. (For details, see Setting the Class Path). If you use the -sourcepath option, the compiler searches the indicated path for source files; otherwise the compiler ...
Keep in mind, if you want an environment variable to be set for all debug targets and tasks, it is better to do it globally in CMakeSettings.json or CppProperties.json Send us Feedback Your feedback is a critical part of ensuring that we can deliver the best experience...
CMake 是一个跨平台开源工具家族，用于构建、测试和打包软件。它通过简单的平台无关且编译器无关的配置...