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Fix #926
Essentially just replicate what we already have in `sys_sysctlbyname`
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src/kernel/emulation/linux/misc/sysctl_unspec.c
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src/kernel/emulation/linux/misc/sysctl_unspec.c
···
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extern char* strcat(char* dst, const char* src);
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extern __SIZE_TYPE__ strlen(const char* str);
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extern int strcmp(const char* str1, const char* str2);
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extern int strlcpy(char* dst, const char* src, __SIZE_TYPE__ n);
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static sysctl_handler(handle_oid_to_name);
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static sysctl_handler(handle_name_to_oid);
···
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int oid_len = 0;
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char* saveptr;
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const char* token;
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char _new_copy[128]; // the actual max for this is MAXPATHLEN
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token = strtok_r((char*) _new, ".", &saveptr);
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strlcpy(_new_copy, _new, sizeof(_new_copy));
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token = strtok_r((char*) _new_copy, ".", &saveptr);
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while (token != NULL)
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{