Without further ado, the following was found:
Issue: the link target → link target
"#include E<lt>limits.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>sys/stat.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
"\\&\n"
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
" char *buf;\n"
" ssize_t nbytes, bufsiz;\n"
" struct stat sb;\n"
"\\&\n"
" if (argc != 2) {\n"
" fprintf(stderr, \"Usage: %s E<lt>pathnameE<gt>\\en\", argv[0]);\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" if (lstat(argv[1], &sb) == -1) {\n"
" perror(\"lstat\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" /* Add one to the link size, so that we can determine whether\n"
" the buffer returned by readlink() was truncated. */\n"
"\\&\n"
" bufsiz = sb.st_size + 1;\n"
"\\&\n"
" /* Some magic symlinks under (for example) /proc and /sys\n"
" report \\[aq]st_size\\[aq] as zero. In that case, take PATH_MAX as\n"
" a \"good enough\" estimate. */\n"
"\\&\n"
" if (sb.st_size == 0)\n"
" bufsiz = PATH_MAX;\n"
"\\&\n"
" buf = malloc(bufsiz);\n"
" if (buf == NULL) {\n"
" perror(\"malloc\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" nbytes = readlink(argv[1], buf, bufsiz);\n"
" if (nbytes == -1) {\n"
" perror(\"readlink\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" /* Print only \\[aq]nbytes\\[aq] of \\[aq]buf\\[aq], as it doesn't contain a terminating\n"
" null byte (\\[aq]\\e0\\[aq]). */\n"
" printf(\"\\[aq]%s\\[aq] points to \\[aq]%.*s\\[aq]\\en\", argv[1], (int) nbytes, buf);\n"
"\\&\n"
" /* If the return value was equal to the buffer size, then the\n"
" the link target was larger than expected (perhaps because the\n"
" target was changed between the call to lstat() and the call to\n"
" readlink()). Warn the user that the returned target may have\n"
" been truncated. */\n"
"\\&\n"
" if (nbytes == bufsiz)\n"
" printf(\"(Returned buffer may have been truncated)\\en\");\n"
"\\&\n"
" free(buf);\n"
" exit(EXIT_SUCCESS);\n"
"}\n"
