getcwd, getwd, get_current_dir_name functions return a null-terminated string containing an absolute pathname that is the current working directory of the calling process. The pathname is returned as the function result and via the argument buf, if present. $ vim getpwd.c #include <stdio.h> #include <stdlib.h> #include <unistd.h> int main(int atgc, char **argv) { char *run_dir = (char *) malloc (1024); if (getcwd(run_dir, 1024) != NULL){ fprintf(stdout, "Current working dir: %s\n", run_dir); } return 0; } $ gcc -o getpwd getpwd.c $ ./getpwd

Command line execution

Terminalbash
gcc -o getpwd getpwd.c   $ ./getpwd

Gotchas and common issues

  • Permission checks - verify user access rights and sudo privileges before executing system-level operations.

  • Environment configuration - double-check path variables and dependency versions to prevent runtime failures.

  • Backup safeguards - maintain configuration backups before applying system or database modifications.

Following these steps ensures clean configuration and reliable execution for c program in linux to find the current working directory (pwd).